Here's an interview with Benedict Cumberbatch and Tom Hiddleston who starred together in Steven Spielberg's War Horse. I liked the rather substantial gap between what Cumberbatch considered an embarrassing moment and what Hiddleston considered an embarrassing moment. I think Hiddleston wins.

I also have to note that both actors have had the most amount of hoopla surrounding their last names than any other actor I can think of in recent memory. I thought I'd heard it all when legions of Cumberbatch fans called themselves the Cumberbitches. But again, I think Hiddleston might be winning with having fans who call themselves Hiddlestoners, Hiddlestalkers, and most recently, Hiddlepanthers.

Imdb only has him down for six episodes vs the other cast members' nine, so I'm guessing you're right.

I'm so afraid that's what's going to happen with Cumberbatch and Cabin Pressure. I know he's confirmed for Series Four, but if they go on I don't know if they'll be able to hold on to him. I have such mixed feelings because I want him to go forth and be successful and at the same I want him to stay home and do little things that I enjoy.